1. Material: 6063/6005A-T5, 6061/6082-T6, etc 2. Finish: Mill, Anodized, Powder Coated, brushing, sand blasting, etc 1. Material: 6000 ... series, 6063/6061 recommended.2. Temper: T4/T5/T6.3. Finish: Mill, Silver / Black / Red Anodized, Powder Coated, brushing ... : Different finish, different length, the longest length is 7m for mill finish, and also based on the weight per meter.6 ...